/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.db.it;

import org.apache.iotdb.it.env.EnvFactory;
import org.apache.iotdb.it.framework.IoTDBTestRunner;
import org.apache.iotdb.itbase.category.ClusterIT;
import org.apache.iotdb.itbase.category.LocalStandaloneIT;
import org.apache.iotdb.rpc.TSStatusCode;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

import static org.junit.Assert.*;

/**
 * @Author: Architect @Date: 2021-03-30 18:36 @Description: This class is initially intend to test
 * the issue of IOTDB-924
 */
@RunWith(IoTDBTestRunner.class)
@Category({LocalStandaloneIT.class, ClusterIT.class})
public class IoTDBInsertMultiRowIT {
    private static List<String> sqls = new ArrayList<>();
    private static Connection connection;

    @BeforeClass
    public static void setUp() throws Exception {
        EnvFactory.getEnv().initBeforeClass();
        initCreateSQLStatement();
        insertData();
    }

    @AfterClass
    public static void tearDown() throws Exception {
        close();
        EnvFactory.getEnv().cleanAfterClass();
    }

    private static void close() {
        if (Objects.nonNull(connection)) {
            try {
                connection.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    private static void initCreateSQLStatement() {
        sqls.add("CREATE DATABASE root.t1");
        sqls.add("CREATE TIMESERIES root.t1.wf01.wt01.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN");
        sqls.add("CREATE TIMESERIES root.t1.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE");
    }

    private static void insertData() throws ClassNotFoundException, SQLException {
        connection = EnvFactory.getEnv().getConnection();
        Statement statement = connection.createStatement();

        for (String sql : sqls) {
            statement.execute(sql);
        }

        statement.close();
    }

    @Test
    public void testInsertMultiRow() throws SQLException {
        Statement st0 = connection.createStatement();
        st0.execute("insert into root.t1.wf01.wt01(timestamp, status) values (1, true)");
        st0.execute("insert into root.t1.wf01.wt01(timestamp, status) values (2, true),(3, false)");
        st0.execute(
                "insert into root.t1.wf01.wt01(timestamp, status) values (4, true),(5, true),(6, false)");

        st0.execute(
                "insert into root.t1.wf01.wt01(timestamp, temperature, status) values (7, 15.3, true)");
        st0.execute(
                "insert into root.t1.wf01.wt01(timestamp, temperature, status) values (8, 18.3, false),(9, 23.1, false)");
        st0.execute(
                "insert into root.t1.wf01.wt01(timestamp, temperature, status) values (10, 22.3, true),(11, 18.8, false),(12, 24.4, true)");
        st0.close();

        Statement st1 = connection.createStatement();
        ResultSet rs1 = st1.executeQuery("select count(status) from root.t1.wf01.wt01");
        rs1.next();
        long countStatus = rs1.getLong(1);
        assertEquals(countStatus, 12L);

        ResultSet rs2 = st1.executeQuery("select count(temperature) from root.t1.wf01.wt01");
        rs2.next();
        long countTemperature = rs2.getLong(1);
        assertEquals(countTemperature, 6L);

        st1.close();
    }

    @Test(expected = Exception.class)
    public void testInsertWithTimesColumns() throws SQLException {
        Statement st1 = connection.createStatement();
        st1.execute("insert into root.t1.wf01.wt01(timestamp) values(1)");
    }

    @Test
    public void testInsertMultiRowWithMisMatchDataType() {
        try {
            Statement st1 = connection.createStatement();
            st1.execute("insert into root.t1.wf01.wt01(timestamp, s1) values(1, 1.0), (2, 'hello')");
            fail();
        } catch (SQLException e) {
            assertTrue(
                    e.getMessage().contains(Integer.toString(TSStatusCode.METADATA_ERROR.getStatusCode())));
        }
    }

    @Test
    public void testInsertMultiRowWithNull() {
        try (Statement st1 = connection.createStatement()) {
            st1.execute(
                    "insert into root.t1.d99.wt01(timestamp, s1, s2) values(100, null, 1), (101, null, 2)");
            fail();
        } catch (SQLException e) {
            assertTrue(
                    e.getMessage().contains(Integer.toString(TSStatusCode.METADATA_ERROR.getStatusCode())));
        }
        try (Statement st2 = connection.createStatement()) {
            st2.execute("CREATE TIMESERIES root.t1.d1.s1 WITH DATATYPE=double, ENCODING=PLAIN;");
            st2.execute(
                    "INSERT INTO root.t1.d1(timestamp, s1) VALUES (6, 10),(7,12),(8,14),(9,160),(10,null),(11,58)");
        } catch (SQLException e) {
            fail();
        }
    }
}
